Abstract
The transient far-end crosstalk voltage and the crosstalk-induced jitter of dual in-line memory module (DIMM) connectors are reduced by about 80% by increasing the mutual capacitance between DIMM connector pins with the additional interdigitated-comb-shaped metal-stub patterns on the motherboard. It was confirmed by the far-end crosstalk voltage waveform measurements using TDR and the eye diagram measurements at the data rates of 15 Mbps, 100 Mbps, and 3 Gbps. This reduction technique can be applied to the connectors where the inductive coupling ratio is larger than the capacitive coupling ratio.
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